以下为句子列表：
英文: A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best
中文: 研究了从粗蒽中提取菲的方法，即用乙二醇对原料进行共沸，以四氯化碳为溶剂并用硫酸处理，最后用无水乙醇重结晶，制定出最佳的工艺路线.
更详细...
英文: Abstract: A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end,
中文: 文摘:研究了从粗蒽中提取菲的方法，即用乙二醇对原料进行共沸，以四氯化碳为溶剂并用硫酸处理，最后用无水乙醇重结晶，制定出最佳的工艺路线.
更详细...
英文: “Alcohol content” refers to the volume percentage of ethyl alcohol at 20 degree Celsius.
中文: 四酒精成分︰系指摄氏检温器二十度时，原容量百分比中含有乙醇之容量而言。
更详细...
英文: “There is approximately the same amount of ethyl alcohol in a normal serving of 86.8 proof whiskey, draft or bottled beer, and white table wine.
中文: 一份标准的43.3度的威士忌的乙基酒精含量基本等于一瓶啤酒或一杯白葡萄酒的酒精含量。
更详细...
英文: Acetic acid equipments using material in PTA, PVA, aldehyde oxidation and methyl alcohol carbonyl synthetic four plants in chemical industry and chemical fibre production are analyzed.
中文: 对化工化纤生产中的精对笨二甲酸、聚乙烯醇、乙醛氧化生产醋酸与甲醇羰基合成醋酸4个装置醋酸设备用材进行分析,并对含Cl-、含Br-、含I-的醋酸及含Cl-的甲乙混酸对不锈钢、铜、钛与镍基合金等金属材料腐蚀原因作了讨论。
更详细...
|
